An actors' primary career is that of an actor, as in starring or being part of a movie or television series, or as producers/screenwriters for a movie they're the lead role in. They most likely have other jobs/activities that they participate in during their spare time when they're not acting or working on a movie/TV series.
On film sets and in television studios
The cast of America Works When America Works - 1981 includes: Lloyd Dobyns as Narrator
The cast of Sometimes It Works - 1914 includes: Theo Salem
The cast of Choir Works - 1998 includes: Howard Goodall as Narrator
The cast of Organ Works - 1996 includes: Howard Goodall as Presenter
The cast of Wax Works - 1934 includes: Bernice Hansen as Little boy
The cast of The Delight Electrical Works - 2013 includes: Brenna Bires
The cast of Net-Works - 1998 includes: Shuman Ghosemajumder as Himself - Host
The cast of How Tech Works - 2012 includes: Basil Singer as Himself - Host
The cast of The Future Works - 1969 includes: John Stockbridge as Himself - Commentator
The cast of Works of Calder - 1950 includes: Alexander Calder Burgess Meredith as Narrator
The cast of It Works - 1999 includes: Gerald Alt Lilian Dzeneda Nowak Michael Hagleitner
The cast of Tom Works Nights - 2012 includes: Tom Noonan as Tom